import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int N = sc.nextInt();
		final int M = sc.nextInt();
		
		long[] array = new long[N];
		for(int i = 0; i < N; i++){
			array[i] = sc.nextLong();
		}
		Arrays.sort(array);
		
		boolean[] used = new boolean[N];
		long max = 0;
		for(int i = 0; i < M; i++){
			used[(N - 1) - i] = true;
			max ^= array[(N - 1) - i];
		}
		
		for(int x = 0; x < 2000000; x++){
			final int x1 = (int)(Math.random() * N);
			final int x2 = (int)(Math.random() * N);
			final int x3 = (int)(Math.random() * N);
			final int x4 = (int)(Math.random() * N);
			//final int x5 = (int)(Math.random() * N);
			//final int x6 = (int)(Math.random() * N);
						
			int count = 0;
			count += used[x1] ? 1 : -1; used[x1] = !used[x1];
			count += used[x2] ? 1 : -1; used[x2] = !used[x2];
			count += used[x3] ? 1 : -1; used[x3] = !used[x3];
			count += used[x4] ? 1 : -1; used[x4] = !used[x4];
			//count += used[x5] ? 1 : -1; used[x5] = !used[x5];
			//count += used[x6] ? 1 : -1; used[x6] = !used[x6];
			if(count != 0){
				used[x1] = !used[x1];
				used[x2] = !used[x2];
				used[x3] = !used[x3];
				used[x4] = !used[x4];
				//used[x5] = !used[x5];
				//used[x6] = !used[x6];
				continue;
			}
			
			final long next_max = max ^ array[x1] ^ array[x2] ^ array[x3] ^ array[x4]/* ^ array[x5] ^ array[x6]*/;
			if(next_max > max){
				max = next_max;
			}else{
				used[x1] = !used[x1];
				used[x2] = !used[x2];
				used[x3] = !used[x3];
				used[x4] = !used[x4];
				//used[x5] = !used[x5];
				//used[x6] = !used[x6];
			}
		}
		
		boolean first = true;
		for(int i = 0; i < N; i++){	
			if(!used[i]){ continue; }
			
			System.out.print((first ? "" : " ") + (array[i]));
			first = false;
		}
		System.out.println();
	}
}